private StatusGenericHandler AddQuestionGroup(string name, IEnumerable <Question> questions, SurveyDbContext context = null)
{
var status = new StatusGenericHandler();
if (string.IsNullOrWhiteSpace(name))
{
status.AddError("A name is needed when creating a new question group.", nameof(name));
return(status);
}
if (_questionGroups != null)
{
var questionGroup = new QuestionGroup(name, questions, this);
_questionGroups.Add(questionGroup);
}
else if (context == null)
{
status.AddError("You must provide a context if the QuestionGroups collection isn't valid.", nameof(context));
return(status);
}
else if (context.Entry(this).IsKeySet)
{
context.Add(new QuestionGroup(name, questions, this));
}
else
{
status.AddError("Could not add a new QuestionGroup.");
return(status);
}
return(status);
}
public StatusGenericHandler AddQuestions(IEnumerable <Question> questions, QuestionGroup questionGroup, SurveyDbContext context = null)
{
var status = new StatusGenericHandler();
if (questions == null)
{
status.AddError("No Questions have been provided", nameof(questions));
return(status);
}
foreach (var question in questions)
{
status = AddQuestion(question.Text, question.QuestionType, questionGroup, context);
}
return(status);
}
private StatusGenericHandler AddQuestion(string text, QuestionType questionType, QuestionGroup questionGroup, SurveyDbContext context = null)
{
var status = new StatusGenericHandler();
if (string.IsNullOrWhiteSpace(text))
{
status.AddError("Question text is needed when creating a new question.", nameof(text));
return(status);
}
if (questionType == null)
{
status.AddError("A QuestionType has not been specified.", nameof(questionType));
return(status);
}
if (questionGroup == null)
{
status.AddError("A QuestionGroup which to add this question to has not been specified.", nameof(questionGroup));
return(status);
}
if (context != null)
{
status = questionGroup.AddQuestion(text, questionType, context);
}
else
{
status.AddError("Could not add a new Question.");
return(status);
}
return(status);
}